package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

public class JDBCDemo4 {
    public static void main(String[] args) {
        try (Connection connection = DBUtil.getConnection()){
            Statement statement = connection.createStatement();
            System.out.println("请输入用户名");
            Scanner scanner = new Scanner(System.in);
            String username = scanner.next();
            String sql = "DELETE FROM userinfo WHERE username = '"+username+"';";
            int i =statement.executeUpdate(sql);
            if(i>=1){
                System.out.println("注销成功");
            }else{
                System.out.println("注销失败");
            }
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
}
